<template>
  <div class="login-container">
    <!-- 登录 -->
    <el-form v-if="isshowSwitch" ref="loginForm" :rules="loginRules" :model="loginForm" class="login-form" label-position="left">

      <div class="title-container">
        <h3 class="title">房地产管理系统</h3>
      </div>
      <el-form-item prop="identifier">
        <span class="svg-container">
          <svg-icon icon-class="user" />
        </span>
        <el-input
          ref="username"
          v-model="loginForm.identifier"
          placeholder="用户名"
          name="username"
          type="text"
        />
      </el-form-item>

      <el-form-item prop="password">
        <span class="svg-container">
          <svg-icon icon-class="password" />
        </span>
        <el-input
          ref="password"
          v-model="loginForm.password"
          :type="passwordType"
          placeholder="密码"
          name="password"
        />
        <span class="show-pwd" @click="showPwd">
          <svg-icon :icon-class="passwordType === 'password' ? 'eye' : 'eye-open'" />
        </span>
      </el-form-item>

      <el-button type="primary" style="width:100%;margin-bottom:30px;" @click="loginFn">登录</el-button>
      <div class="tips">
        <el-row>
          <el-col :span="20">
            <span style="margin-right:20px;">username: admin5</span>
            <span> password: 123456</span>
          </el-col>
          <el-button type="primary" size="mini" @click="isSwitch">去注册</el-button>
        </el-row>
      </div>
    </el-form>
    <!-- 注册 -->
    <el-form v-else ref="regForm" :rules="loginRules" :model="regForm" class="login-form" label-position="left">

      <div class="title-container">
        <h3 class="title">注册</h3>
      </div>
      <el-form-item prop="username">
        <span class="svg-container">
          <svg-icon icon-class="user" />
        </span>
        <el-input
          ref="username"
          v-model="regForm.username"
          placeholder="用户名"
          name="username"
          type="text"
        />
      </el-form-item>
      <el-form-item prop="email">
        <span class="svg-container">
          <svg-icon icon-class="user" />
        </span>
        <el-input
          ref="username"
          v-model="regForm.email"
          placeholder="邮箱"
          name="username"
          type="email"
        />
      </el-form-item>
      <el-form-item prop="password">
        <span class="svg-container">
          <svg-icon icon-class="password" />
        </span>
        <el-input
          ref="password"
          v-model="regForm.password"
          :type="passwordType"
          placeholder="密码"
          name="password"
        />
        <span class="show-pwd" @click="showPwd">
          <svg-icon :icon-class="passwordType === 'password' ? 'eye' : 'eye-open'" />
        </span>
      </el-form-item>

      <el-button type="primary" style="width:100%;margin-bottom:30px;" @click="regFn">注册</el-button>
      <div class="tips">
        <el-row>
          <el-col :span="20">
            <span style="margin-right:20px;">username: admin5</span>
            <span> password: 123456</span>
          </el-col>
          <el-button type="primary" size="mini" @click="isSwitch">去登录</el-button>
        </el-row>

      </div>

    </el-form>
  </div>
</template>

<script>
import { registered } from '@/api/user'
export default {
  name: 'Login',
  data() {
    const validateEmail = (rules, value, callback) => {
      const reg = /^\w+@\w{2,}[.]\w{2,4}$/
      if (reg.test(value)) {
        return callback()
      } else {
        callback(new Error('请输入一个合法的邮箱地址'))
      }
    }
    return {
      // 登录信息
      loginForm: {
        identifier: 'admin5',
        password: '123456'

      },
      regForm: {
        username: 'admin1234',
        email: '14184@qq.com',
        password: '123456'
      },
      isshowSwitch: true,
      passwordType: 'password',
      // 校验规则
      loginRules: {
        identifier: [
          { required: true, message: '用户名不能为空', trigger: 'blur' }
        ],
        username: [
          { required: true, message: '用户名不能为空', trigger: 'blur' }
        ],
        email: [{ required: true, message: '邮箱不能为空', trigger: 'blur' },
          { validator: validateEmail, trigger: 'blur' }],
        password: [
          { required: true, message: '密码不能为空', trigger: 'blur' },
          { min: 3, max: 16, message: '密码3~16位', trigger: 'blur' }
        ]
      }

    }
  },
  methods: {
    async loginFn() {
      await this.$store.dispatch('user/login', this.loginForm)
      // 跳转到首页
      this.$router.push('/')
    },
    // 密码显示隐藏
    showPwd() {
      if (this.passwordType === 'password') {
        this.passwordType = ''
      } else {
        this.passwordType = 'password'
      }
      this.$nextTick(() => {
        this.$refs.password.focus()
      })
    },
    // 登录注册切换
    isSwitch() {
      this.isshowSwitch = !this.isshowSwitch
    },
    async  regFn() {
      try {
        await this.$refs.regForm.validate()
        await registered(this.regForm)
        this.$message.success('注册成功')
        this.isshowSwitch = true
      } catch (error) {
        this.$message.error('注册失败')
      }
    }
  }
}
</script>

<style lang="scss">
/* 修复input 背景不协调 和光标变色 */
/* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */

$bg:#283443;
$light_gray:#fff;
$cursor: #fff;

// @supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
//   .login-container .el-input input {
//     color: $cursor;
//   }
// }

/* reset element-ui css */
.login-container {
  .el-input {
    display: inline-block;
    height: 47px;
    width: 85%;

    input {
      background: transparent;
      border: 0px;
      -webkit-appearance: none;
      border-radius: 0px;
      padding: 12px 5px 12px 15px;
      color: $light_gray;
      height: 47px;
      caret-color: $cursor;

      &:-webkit-autofill {
        box-shadow: 0 0 0px 1000px $bg inset !important;
        -webkit-text-fill-color: $cursor !important;
      }
    }
  }

  .el-form-item {
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(0, 0, 0, 0.1);
    border-radius: 5px;
    color: #454545;
  }
}
</style>

<style lang="scss" scoped>
$bg:url('~@/styles/images/wallhaven-3z2med_3840x2160.png') ;
$dark_gray:#889aa4;
$light_gray:#eee;

.login-container {
  min-height: 100%;
  width: 100%;
  background-image: $bg;
  background-size:100%;
  overflow: hidden;

  .login-form {
    position: relative;
    width: 520px;
    max-width: 100%;
    padding: 160px 35px 0;
    margin: 0 auto;
    overflow: hidden;
  }

  .tips {
    font-size: 14px;
    color: #fff;
    margin-bottom: 10px;

    span {
      &:first-of-type {
        margin-right: 16px;
      }
    }
  }

  .svg-container {
    padding: 6px 5px 6px 15px;
    color: $dark_gray;
    vertical-align: middle;
    width: 30px;
    display: inline-block;
  }

  .title-container {
    position: relative;

    .title {
      font-size: 26px;
      color: $light_gray;
      margin: 0px auto 40px auto;
      text-align: center;
      font-weight: bold;
    }
  }

  .show-pwd {
    position: absolute;
    right: 10px;
    top: 7px;
    font-size: 16px;
    color: $dark_gray;
    cursor: pointer;
    user-select: none;
  }
}
</style>
